Ujjdwiurgh Micro-USB/Type-C 5V 2.4A Dual USB 18650 Boost Battery Charger Board Mobile Power Bank Replacement Parts for Phone DIY

Battery interface: support 3 7V lithium battery (full of 4.2V), welding wiring mode. Battery charging current 2.4A max. Input interface: Type-C and Micro-usb.Output interface: 2 high-quality USB interfaces (large current loss, small), maximum 2 4A.. High efficiency charge and discharge design, up to 90% For For and other high current charging identification ICs give full play to the advantage of 2.4a current (mobile phones need to carry out 2.1A/2.4A high current charging requires relevant agreements) Precautions:After receiving the motherboard, connect the charging head to test and see if the LED light is on.In normal applications, the battery must be soldered (if the wires are twisted, it cause insufficient power supply), and the battery be burned if it is connected reversely to the motherboard. Be careful.